The part of a human community believes that it is unacceptable to keep spices in zoos,and other part of community suppose that zoos are vital for financial development and human entertainment . While the development of breeding programs contributes to the preservation of endangered species,I believe that the poor conditions that many animals held in captavity are kept in make the extinction of zoos unacceptable.Here,this essay will discuss about contribution of zoos for wild animals conservation,and the unethical sides of animals capturvity.